Ricky can type 161 words in 7 minutes. how many can words can he type in 20 minutes.
2 answers:
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To solve this problem you must apply the proccedure shown below:
1. The formula for calculate the perimeter of a rectangle is:
Where is the length and
is the width.
2. The length is more than the width, therefore:
3. Substitute values into the formula for calculate the perimeter and solve for the width:
3. Then, the length is:
The answer is: The length is and the width is
recall that a cube has all equal sides, check the picture below.
